[Industrial medicine and Russian workers (according to data of St. Petersburg at the beginning of the 20th century)].
D049673:History, 20th Century; D006801:Humans; D009787:Occupational Medicine / Q000266:history*; D012425:Russia (Pre-1917)
Fabrichnaiia meditsina i Russkie rabochie (po materialam Peterburga nachala XX veka)